Rotary damper



FIG. 1 is a front and side perspective view of a rotary damper;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof, the right side view being mirror image thereof;

FIG. 5 is a top plan view thereof, the bottom view being mirror image thereof; and,

FIG. 6 is a sectional view, taken in the direction of line 6-6 of FIG. 2. 

CLAIM The ornamental design for a rotary damper, as shown and described. 